diff options
author | Javier Peletier <jm@epiclabs.io> | 2018-09-30 15:51:11 +0800 |
---|---|---|
committer | Javier Peletier <jm@epiclabs.io> | 2018-10-03 15:12:06 +0800 |
commit | b6ccc06cdaac80d09da17c25b2f450cd1f1b7914 (patch) | |
tree | 2413da1a2025e901eecf253399fe4bfebbdd1925 /swarm/storage/mru/query.go | |
parent | 83705ef6aa3645a6305a400fa175e44904a929f7 (diff) | |
download | go-tangerine-b6ccc06cdaac80d09da17c25b2f450cd1f1b7914.tar go-tangerine-b6ccc06cdaac80d09da17c25b2f450cd1f1b7914.tar.gz go-tangerine-b6ccc06cdaac80d09da17c25b2f450cd1f1b7914.tar.bz2 go-tangerine-b6ccc06cdaac80d09da17c25b2f450cd1f1b7914.tar.lz go-tangerine-b6ccc06cdaac80d09da17c25b2f450cd1f1b7914.tar.xz go-tangerine-b6ccc06cdaac80d09da17c25b2f450cd1f1b7914.tar.zst go-tangerine-b6ccc06cdaac80d09da17c25b2f450cd1f1b7914.zip |
swarm/storage/feeds: Final package rename and moved files
Diffstat (limited to 'swarm/storage/mru/query.go')
-rw-r--r-- | swarm/storage/mru/query.go | 78 |
1 files changed, 0 insertions, 78 deletions
diff --git a/swarm/storage/mru/query.go b/swarm/storage/mru/query.go deleted file mode 100644 index a0b358bfd..000000000 --- a/swarm/storage/mru/query.go +++ /dev/null @@ -1,78 +0,0 @@ -// Copyright 2018 The go-ethereum Authors -// This file is part of the go-ethereum library. -// -// The go-ethereum library is free software: you can redistribute it and/or modify -// it under the terms of the GNU Lesser General Public License as published by -// the Free Software Foundation, either version 3 of the License, or -// (at your option) any later version. -// -// The go-ethereum library is distributed in the hope that it will be useful, -// but WITHOUT ANY WARRANTY; without even the implied warranty of -// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -// GNU Lesser General Public License for more details. -// -// You should have received a copy of the GNU Lesser General Public License -// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>. - -package mru - -import ( - "fmt" - "strconv" - - "github.com/ethereum/go-ethereum/common" - "github.com/ethereum/go-ethereum/swarm/storage/mru/lookup" -) - -// Query is used to specify constraints when performing an update lookup -// TimeLimit indicates an upper bound for the search. Set to 0 for "now" -type Query struct { - Feed - Hint lookup.Epoch - TimeLimit uint64 -} - -// FromValues deserializes this instance from a string key-value store -// useful to parse query strings -func (q *Query) FromValues(values Values) error { - time, _ := strconv.ParseUint(values.Get("time"), 10, 64) - q.TimeLimit = time - - level, _ := strconv.ParseUint(values.Get("hint.level"), 10, 32) - q.Hint.Level = uint8(level) - q.Hint.Time, _ = strconv.ParseUint(values.Get("hint.time"), 10, 64) - if q.Feed.User == (common.Address{}) { - return q.Feed.FromValues(values) - } - return nil -} - -// AppendValues serializes this structure into the provided string key-value store -// useful to build query strings -func (q *Query) AppendValues(values Values) { - if q.TimeLimit != 0 { - values.Set("time", fmt.Sprintf("%d", q.TimeLimit)) - } - if q.Hint.Level != 0 { - values.Set("hint.level", fmt.Sprintf("%d", q.Hint.Level)) - } - if q.Hint.Time != 0 { - values.Set("hint.time", fmt.Sprintf("%d", q.Hint.Time)) - } - q.Feed.AppendValues(values) -} - -// NewQuery constructs an Query structure to find updates on or before `time` -// if time == 0, the latest update will be looked up -func NewQuery(feed *Feed, time uint64, hint lookup.Epoch) *Query { - return &Query{ - TimeLimit: time, - Feed: *feed, - Hint: hint, - } -} - -// NewQueryLatest generates lookup parameters that look for the latest update to a feed -func NewQueryLatest(feed *Feed, hint lookup.Epoch) *Query { - return NewQuery(feed, 0, hint) -} |